Which is cheaper, the Borealis Watch Co. Caloura 300m or the Zelos Hammerhead V3 300m Bronze?

At MSRP the Borealis Watch Co. Caloura 300m is the cheaper of the two at $275, against $449 for the Zelos Hammerhead V3 300m Bronze — a $174 gap before any retailer discounting.

Which is bigger, the Borealis Watch Co. Caloura 300m or the Zelos Hammerhead V3 300m Bronze?

The Zelos Hammerhead V3 300m Bronze wears larger at 44mm versus 42mm for the Borealis Watch Co. Caloura 300m — a 2mm difference across the dial.

What movement does the Borealis Watch Co. Caloura 300m run compared to the Zelos Hammerhead V3 300m Bronze?

Both watches run automatic movements — the Borealis Watch Co. Caloura 300m uses the NH35 and the Zelos Hammerhead V3 300m Bronze uses the Seiko NH35.

Side by side

Borealis Watch Co. Caloura 300mvsZelos Hammerhead V3 300m Bronze

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Borealis Watch Co.Caloura 300m

borealis-caloura-diver-watch

MSRP $275

Zelos Hammerhead V3 300m Bronze

zelos-hammerhead-v3-300m-bronze

MSRP $449

At a glance

10 of 29 specs differ

Diameter

Caloura 300m42mm

Hammerhead V3 300m Bronze44mm

Power Reserve

Caloura 300m40h

Hammerhead V3 300m Bronze40h

Water Resistance

Caloura 300m300m

Hammerhead V3 300m Bronze300m

MSRP

Caloura 300m$275

Hammerhead V3 300m Bronze$449

Full specifications

Case

5 specs

Diameter

42mm

44mm

Thickness

13.9mm

13mm

Lug-to-Lug

44.20mm

44mm

Lug Width

22mm

Material

Stainless Steel

Titanium

Crystal & Dial

3 specs

Crystal

Sapphire

Domed Sapphire

Dial Color

Black

Bronze - Frost

Lume

BGW9

None

Movement

1 specs

Caliber

NH35

Seiko NH35

Pricing

1 specs

MSRP

$275

$449

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